LEFT_PAREN = '('
RIGHT_PAREN = ')'
STAR = '*'
SEMI_COLON = ';'
BACKSLASH = '\\'
INVERTER = '~'
MODULE = "module"
INPUT = "input"
OUTPUT = "output"
INOUT = "inout"
WIRE = "wire"
REG = "reg"
STRING = "string"
COMMENT = "comment"
IDENTIFIER = "identifier"
DOT = "."
LEFT_BRACKET = "["
RIGHT_BRACKET = "]"
COLON = ":"
COMMA = ","
DOUBLE_QUOTE = '"'
OCTOTHORP = "#"
NUMBER = "number"
END_MODULE = "endmodule"
BACKTICK = "`"
PARAMETER = "parameter"
SINGLE_QUOTE = "'"
LOCAL_PARAM = "localparam"
ASSIGN = "assign"
EQUAL = "="
CELL_DEFINE = "celldefine"
IF_DEF = "ifdef"
ENDIF = 'endif'
EOF = "eof"
